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Unit 2 – Ratios and Proportions

Unit 2 – Ratios and Proportions. Unit Test Review. Jeremy’s password is the combination of letters and numbers shown below. Use Jeremy’s password to write each ratio three ways. 2 7 R Q A 5 8 E 3. Letters to Numbers Odd to Even Numbers Vowels to Letters. Solve.

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Unit 2 – Ratios and Proportions

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  1. Unit 2 – Ratios and Proportions Unit Test Review

  2. Jeremy’s password is the combination of letters and numbers shown below. Use Jeremy’s password to write each ratio three ways.2 7 R Q A 5 8 E 3 • Letters to Numbers • Odd to Even Numbers • Vowels to Letters

  3. Solve. • Out of 28 students in the class, 21 wore sneakers to school. What is the ratio of students who wore sneakers to those who did not wear sneakers? • Of the 18 students at a dance camp, 6 are boys. What is the ratio of girls to students at the camp?

  4. Solve. • Which of the following ratios is NOT equivalent to the ratio ? Explain. , ,

  5. Find each unit rate. • 2,736 yards in 8 seconds. • $5.85 for 9 rolls.

  6. Find each unit rate. Then write which is the better buy. • $1.92 for 4 apples or $4.20 for 10 apples. • $24 for 6 pounds of cereal or $45 for 9 pounds of cereal.

  7. Solve each problem. • Harper bought 4 chairs for $232. Whats’ the unit price? How much will 6 chairs cost? • A painter uses 2 tubes of black paint for every 6 tubes of white paint to paint a mural. At that rate, how many tubes of black paint are used if 15 tubes of white paint are used?

  8. Use equivalent ratios to complete each table. 1. 2.

  9. Use the information given to complete the table. • For every 15 sit-ups Ryan does, he does 10 push-ups. Create a table of equivalent ratios that shows the relationship between the number of sit-ups and the number of push-ups Ryan does.

  10. Find the percent of each number. • 30% of 80 • 20% of 600

  11. Find each percent. • 5 is 10% of what number? • 12 is 30% of what number?

  12. Solve. • The ribbon on a spool is 10 yards long. How many 6-inch pieces of ribbon can be cut from the spool? • 30 b. 40 c. 50 d. 60

  13. Use ratios to convert each measurement. • 61 km = _____ m • 6 gal = _____ qt

  14. Use ratios to convert each measurement. • 5 ft = _____ in • 144 oz = _____ lb

  15. State is each pair forms a proportion.

  16. Solve each proportion.

  17. Answer the following question. • In the table below, what is the ratio of girls’ favorite color to the boys’ favorite color?

  18. Solve. • Wylan can read 10 pages of his book in 14 minutes. How many minutes will it take him to read his book that is 190 pages long? • The LeBlanc family is on a car trip to the beach. They will travel 650 miles from home to the shore. If they travel at an average speed of 40 miles per hour, including several short stops to buy gas, etc., how many hours will it take them to get to the shore? a. 16.25 b. 15.75 c. 16.5 d. 17.25

  19. Use ratios to convert each measurement. • 20 mm = _____ cm • 9,000 g = _____ kg

  20. Solve. • In a survey of 800 students, 70% said they liked pop music. How many students surveyed like pop music? • Keith spent 60% of his birthday money at the mall. If he spent $24 at the mall, how much money did Keith receive for his birthday?

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